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authorKenny Woodson <kwoodson@redhat.com>2017-12-12 19:45:22 -0500
committerKenny Woodson <kwoodson@redhat.com>2017-12-21 10:41:31 -0500
commitaa87be2226ef08cbd6d062e290977e7a5eb9fdbe (patch)
tree39a97c9b11fd77b5a52c37e071bde9429408047a
parent7ab8e67bfc62e16466e3fd211fded63f16583403 (diff)
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daemonset config role.
-rw-r--r--roles/openshift_daemonset_config/defaults/main.yml19
-rw-r--r--roles/openshift_daemonset_config/meta/main.yml3
-rw-r--r--roles/openshift_daemonset_config/tasks/main.yml58
-rw-r--r--roles/openshift_daemonset_config/templates/daemonset.yml.j2142
4 files changed, 222 insertions, 0 deletions
diff --git a/roles/openshift_daemonset_config/defaults/main.yml b/roles/openshift_daemonset_config/defaults/main.yml
new file mode 100644
index 000000000..ebe5671d2
--- /dev/null
+++ b/roles/openshift_daemonset_config/defaults/main.yml
@@ -0,0 +1,19 @@
+---
+openshift_daemonset_config_namespace: openshift-node
+openshift_daemonset_config_daemonset_name: ops-node-config
+openshift_daemonset_config_configmap_name: "{{ openshift_daemonset_config_daemonset_name }}"
+openshift_daemonset_config_node_selector:
+ config: config
+openshift_daemonset_config_sa_name: ops
+openshift_daemonset_config_configmap_files: {}
+openshift_daemonset_config_configmap_literals: {}
+openshift_daemonset_config_monitoring: False
+openshift_daemonset_config_interval: 300
+openshift_daemonset_config_script: config.sh
+openshift_daemonset_config_secret_name: operations-config-secret
+openshift_daemonset_config_secrets: {}
+openshift_daemonset_config_runasuser: 0
+openshift_daemonset_config_privileged: True
+openshift_daemonset_config_resources:
+ cpu: 10m
+ memory: 10Mi
diff --git a/roles/openshift_daemonset_config/meta/main.yml b/roles/openshift_daemonset_config/meta/main.yml
new file mode 100644
index 000000000..d2bbd2576
--- /dev/null
+++ b/roles/openshift_daemonset_config/meta/main.yml
@@ -0,0 +1,3 @@
+---
+dependencies:
+- lib_openshift
diff --git a/roles/openshift_daemonset_config/tasks/main.yml b/roles/openshift_daemonset_config/tasks/main.yml
new file mode 100644
index 000000000..450cc9dca
--- /dev/null
+++ b/roles/openshift_daemonset_config/tasks/main.yml
@@ -0,0 +1,58 @@
+---
+- name: add a sa
+ oc_serviceaccount:
+ name: "{{ openshift_daemonset_config_sa_name }}"
+ namespace: "{{ openshift_daemonset_config_namespace }}"
+
+- name: add sa to privileged scc
+ oc_adm_policy_user:
+ namespace: "{{ openshift_daemonset_config_namespace }}"
+ resource_kind: scc
+ resource_name: privileged
+ state: present
+ user: "system:serviceaccount:{{ openshift_daemonset_config_namespace }}:{{ openshift_daemonset_config_sa_name }}"
+
+- name: copy template to disk
+ template:
+ dest: "/tmp/{{ item.name }}"
+ src: "{{ item.name }}.j2"
+ with_items:
+ - name: daemonset.yml
+
+- name: copy files to disk
+ copy:
+ src: "{{ item.key }}"
+ dest: "{{ item.value }}"
+ with_dict: "{{ openshift_daemonset_config_configmap_files }}"
+
+- name: create the namespace
+ oc_project:
+ state: present
+ name: "{{ openshift_daemonset_config_namespace }}"
+
+- name: lay down secrets
+ oc_secret:
+ state: present
+ name: "{{ openshift_daemonset_config_secret_name }}"
+ namespace: "{{ openshift_daemonset_config_namespace }}"
+ delete_after: true
+ contents: "{{ openshift_daemonset_config_secrets }}"
+ when:
+ - openshift_daemonset_config_secrets != {}
+
+- name: create the configmap
+ oc_configmap:
+ state: present
+ name: "{{ openshift_daemonset_config_configmap_name }}"
+ namespace: "{{ openshift_daemonset_config_namespace }}"
+ from_literal: "{{ openshift_daemonset_config_configmap_literals }}"
+ from_file: "{{ openshift_daemonset_config_configmap_files }}"
+
+- name: deploy daemonset
+ oc_obj:
+ state: present
+ namespace: "{{ openshift_daemonset_config_namespace }}" # openshift-node??
+ name: "{{ openshift_daemonset_config_daemonset_name }}"
+ kind: daemonset
+ files:
+ - /tmp/daemonset.yml
diff --git a/roles/openshift_daemonset_config/templates/daemonset.yml.j2 b/roles/openshift_daemonset_config/templates/daemonset.yml.j2
new file mode 100644
index 000000000..9792f6d16
--- /dev/null
+++ b/roles/openshift_daemonset_config/templates/daemonset.yml.j2
@@ -0,0 +1,142 @@
+---
+kind: DaemonSet
+apiVersion: extensions/v1beta1
+metadata:
+ name: {{ openshift_daemonset_config_daemonset_name }}
+ annotations:
+ kubernetes.io/description: |
+ This daemon set manages the operational configuration for a cluster and ensures all nodes have
+ a concrete set of config in place. It could also use a local ansible run against the /host directory.
+spec:
+ selector:
+ matchLabels:
+ app: {{ openshift_daemonset_config_daemonset_name }}
+ confighosts: ops
+ ops.openshift.io/role: operations
+ updateStrategy:
+ type: RollingUpdate
+ template:
+ metadata:
+ labels:
+ app: {{ openshift_daemonset_config_daemonset_name }}
+ confighosts: ops
+ ops.openshift.io/role: operations
+ annotations:
+ scheduler.alpha.kubernetes.io/critical-pod: ''
+ spec:
+{% if openshift_daemonset_config_node_selector is defined and openshift_daemonset_config_node_selector != {} %}
+ nodeSelector: {{ openshift_daemonset_config_node_selector | to_json }}
+{% endif %}
+ serviceAccountName: {{ openshift_daemonset_config_sa_name }}
+ hostNetwork: true
+ hostPID: true
+ hostIPC: true
+ containers:
+ - name: config
+ image: centos:7
+ env:
+ - name: RESYNC_INTERVAL
+ value: "{{ openshift_daemonset_config_interval }}"
+ command:
+ - /bin/bash
+ - -c
+ - |
+ #!/bin/sh
+ set -o errexit
+
+ while true; do
+
+ # execute user defined script
+ sh /opt/config/{{ openshift_daemonset_config_script }}
+
+ # sleep for ${RESYNC_INTERVAL} minutes, then loop. if we fail Kubelet will restart us again
+ echo "Success, sleeping for ${RESYNC_INTERVAL}s"
+ exec sleep ${RESYNC_INTERVAL}
+
+ # Return to perform the config
+ done
+ securityContext:
+ # Must be root to modify host system
+ runAsUser: {{ openshift_daemonset_config_runasuser }}
+ # Permission could be reduced by selecting an appropriate SELinux policy that allows
+ # us to update the named directories
+ privileged: {{ openshift_daemonset_config_privileged }}
+ volumeMounts:
+ # Directory which contains the host volume.
+ - mountPath: /host
+ name: host
+ # Our node configuration
+ - mountPath: /opt/config
+ name: config
+{% if openshift_daemonset_config_secrets != {} %}
+ # Our delivered secrets
+ - mountPath: /opt/secrets
+ name: secrets
+{% endif %}
+ resources:
+ requests:
+ cpu: {{ openshift_daemonset_config_resources.cpu }}
+ memory: {{ openshift_daemonset_config_resources.memory }}
+{% if openshift_daemonset_config_monitoring %}
+ - name: monitoring
+ image: openshifttools/oso-centos7-host-monitoring:latest
+ securityContext:
+ # Must be root to read content
+ runAsUser: 0
+ privileged: true
+
+ volumeMounts:
+ - mountPath: /host
+ name: host
+ readOnly: true
+ - mountPath: /etc/localtime
+ subPath: etc/localtime
+ name: host
+ readOnly: true
+ - mountPath: /sys
+ subPath: sys
+ name: host
+ readOnly: true
+ - mountPath: /var/run/docker.sock
+ subPath: var/run/docker.sock
+ name: host
+ readOnly: true
+ - mountPath: /var/run/openvswitch
+ subPath: var/run/openvswitch
+ name: host
+ readOnly: true
+ - mountPath: /etc/origin
+ subPath: etc/origin
+ name: host
+ readOnly: true
+ - mountPath: /usr/bin/oc
+ subPath: usr/bin/oc
+ name: host
+ readOnly: true
+ name: host
+ readOnly: true
+ - mountPath: /host/var/cache/yum
+ subPath: var/cache/yum
+ name: host
+ - mountPath: /container_setup/monitoring-config.yml
+ subPath: monitoring-config.yaml
+ name: config
+ - mountPath: /opt/config
+ name: config
+ resources:
+ requests:
+ cpu: 10m
+ memory: 10Mi
+{% endif %}
+ volumes:
+ - name: config
+ configMap:
+ name: {{ openshift_daemonset_config_configmap_name }}
+{% if openshift_daemonset_config_secrets != {} %}
+ - name: secrets
+ secret:
+ secretName: {{ openshift_daemonset_config_secret_name }}
+{% endif %}
+ - name: host
+ hostPath:
+ path: /